
//引入组件路径
import SideBar from './pages/sidebar'
import Header from './pages/header';
import Content from './pages/content';
import Topic from './pages/topic';


//写了内容必须引入才能生效
// import '.'

//定义函数组件
function App() {
    return 
    (<div>
         <SideBar/>
        {/* {使用组件写成标签形式} */}
        <div>

          <header/>

          <div>
            
          <Content/>
          <Topic/>

          </div>
        </div>
       
       
       
    </div>
)}

//默认暴露
export default App;